Improvement in devices for molding plaster cornices



NAPETERS. PHOTO-LrrHOGRAPNER. WASHXNGTON. D. C.

SMITH FERRIS, OFNEW YORK, NaY.

ALetters Paten-t N .107,241, dated September 13, 41870.V

IMPROVEMENT IN DEVICES FOR MOLDING- PLASTER CRNICES.

The Schedule referred to in these Letters Patent and.making part of the same.

To all whom it may concern:

die it known that I, SMITH Fnaals, of New York city, in the county and State of New York, have invented a new and useful Improvement in Apparatus for Molding Plaster Gornices; and I do hereby declare that the following is a full, clear, and exact dc'- scription thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing forming part ot' this specification, in which- Figure 1v is a top view of my improved mold.

Figure 2 is a detail side view of the same, looking in the direction ofthe arrow in fig. 1.

Figure 3-is a top view of thel guide-slide, and its supporting bracket.

Figure 4 is a side view of the same, part being broken away to show the construction.

Figure 5 is a side view of the outer side of the guide-slide. f

Similar letters of reference indicate corresponding parts.

My invention has for its object to furnish an improved apparatus for forming plaster Ycorniees, which shall be so constructed Vas to enable the cornice to bev ends of which are connected by a cross-bar, B, thc

ends of which are det-aehably attached to the said slippers A hy screws, so that, by moving the cross-bar B toward or from the for-ward ends or angle of the said bars A, the rear. ends of the bars A maybe spread or contracted, as may be desired.

The forward ends of the side bars A are secured to the opposite sides ofthe lower part of the forward end of. the mold G, wedge-blocks c being interposed bctween the ends of the said bars and the said mold, not only to support the forward end of the mold more iirmly, but also to enable the blocks to be exchanged for-others of different form, when the bars A are adi usted at a dilerent angle. For ordinary purposes the slippers A are set at right angleswith each other, andthe machine G at an angle 'of forty-five degrees with said slippers.

Dare the handles, tothe lower ends of which are attached sockets, d', the lower ends of which are slotted,

to receive the lugs "formed upon or attached to thev slippers A, to which they are secured by a screw or pin.

'.lo the upper ends of the handles D are attached sockets, tithe upper ends of which have lugs formed upon them, which enter the slots of the nuts e', screwed upon the opposite ends of the screw E.

lhe screw E passes through a hole in the upper rear -part of the mold C, and has screw-washers F placed upon it, upon the opposite sides of the mold C, so that, by moving the said screw-washers F, the mold may he accurately adjusted to follow the same lines ot' the cornice, however itmay be moving.

By this construction, also, the handles D may beremoved and replaced by longer ones, when a longer or shorter mold is to he used.

G is a handle, attached to the cross-bar B, and which is designed to be used when it is necessary to remove the handle D in front of it, for convenience in stuing the mold.

lothe rear part of the upper edge of thet mold O is attached a small horizontal plate, H, to slide along the ceiling when the mold is being used.

I are stops, secured to the sidebars cr slippers A, I and project below the lower sides of the said bars A, for the purpose hereinafter set forth.

The side bars or slippers A, when using the -mold upon a straight wall, or in an internal angle, slide along guide-strips attached to the wall in the ordinary manner; but, when passing around an external angle, a dilferent construction 'is required.

In this case the angular bracket J is attached to the wall, the upper arms of which are extended outward in line with the parts of said arms that extend along the walls forming the angle, the' outer ends ot said arms being connected by a connecting or bracea-rm, as shown in lig. 3.

K are guides, the short arms ofwhich-embrace the angle of the wall, and the long arms of which extend outin line with the said short arms for such a' distance that the mold may be slid out upon them, free from the wall.

The upper edges of the slides K should'be Hush with the upper edges of the guide-strips attached to the walls, so that the mold may move in a straight line when passing from one to the other of said parts.

The slides K, upon their inner sides, are provided. with lugs, k', through which pass adjusting-screws, L, which also serve to secure the said slides to the bracket- J, and the lower ends of which are connected withvadj ustablc knees or lugs, M, secured to the said bracketsv J by set-screws, N, passing up through slots in the said brackets, as shown lin figs. 3 and 4. This construction ennbles the slides K to be firmly secured to the bracket, and it also enabi'es the slides to be so adjusted as to be exactly in line with the walls, and with the guide-strips attached to said walls.

The upper edges ofthe slides K are notched, te allow the stops I to pass through freely, in whatever direction the mold may he moving.

O are stops, adj ust-ably attached to the inner sides of t-he slides K by set-screws passing through slots in said stops, as shown in iig. 4, so that the stops I may strike 'against them and stop the mold at the exact` point where the said mold has cleared the wnll along which it is moving, and is in the `exact position to pass along the other wall of the angle.

l are guide-plates, piroted nt their ends to lugs nttnched to lthe outer sides of the slides K, so thatthey may be turned up along the outer sides ot' said slides to keepthe mold iii place upon the slide zilong-which said u'iold may be moving, said guides thus serving ns u continuation of the weils. f l

' The guides l are sul'iportcd in pince, when rnised, by thc upper ends of the levers Q, which nre pivoted to the outer sides of the slide K, and 'the lower ends of which may be-conncctcd by :t shortbnr, :is shown in gs. 3, 4, and 5.

Hering thus described my invention,

"het I claim as new, and desire to secure by'Lctf ters Patent, is-

1. In a, cornice-moldingapparatus, e pnir of detachable handles,'1) d', each pivoted at one end to nslipper, and at the other to an :um of the mold, ns and i'or the purpose described.

2. The bracket J, for attachment tnithe wnihto vsupport the slide K, -when used in connection with tinlly as herein shown and described, and for the purpose set forth.

4. The combination of the ings 7.1', adjusting and clzunpin'g-scrmi's L, und adjustable lugs or knees M, with the slides K and bracket J, substantially :is herein shown and described, and for the purpose set forth. i

5. The combination of the pivoted levers Q with the slides K and guides I, substantially us herein shown and described, end for the purpose vset forth.

The above specification of ymy `invention signed by me this 13th dey of April, 1870.

SMITH FERRIS.

\\`itnesses JOHN B. BoNxETT, Jnms T. GRAHAM. 

